
<h1><span class="yiyi-st" id="yiyi-13">numpy.ma.shape</span></h1>
        <blockquote>
        <p>原文：<a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.ma.shape.html">https://docs.scipy.org/doc/numpy/reference/generated/numpy.ma.shape.html</a></p>
        <p>译者：<a href="https://github.com/wizardforcel">飞龙</a> <a href="http://usyiyi.cn/">UsyiyiCN</a></p>
        <p>校对：（虚位以待）</p>
        </blockquote>
    
<dl class="function">
<dt id="numpy.ma.shape"><span class="yiyi-st" id="yiyi-14"> <code class="descclassname">numpy.ma.</code><code class="descname">shape</code><span class="sig-paren">(</span><em>obj</em><span class="sig-paren">)</span><a class="reference external" href="http://github.com/numpy/numpy/blob/v1.11.3/numpy/ma/core.py#L6918-L6920"><span class="viewcode-link">[source]</span></a></span></dt>
<dd><p><span class="yiyi-st" id="yiyi-15">返回数组的形状。</span></p>
<table class="docutils field-list" frame="void" rules="none">
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<tr class="field-odd field"><th class="field-name"><span class="yiyi-st" id="yiyi-16">参数：</span></th><td class="field-body"><p class="first"><span class="yiyi-st" id="yiyi-17"><strong>a</strong>：array_like</span></p>
<blockquote>
<div><p><span class="yiyi-st" id="yiyi-18">输入数组。</span></p>
</div></blockquote>
</td>
</tr>
<tr class="field-even field"><th class="field-name"><span class="yiyi-st" id="yiyi-19">返回：</span></th><td class="field-body"><p class="first"><span class="yiyi-st" id="yiyi-20"><strong>shape</strong>：ints的元组</span></p>
<blockquote class="last">
<div><p><span class="yiyi-st" id="yiyi-21">形状元组的元素给出相应数组的长度。</span></p>
</div></blockquote>
</td>
</tr>
</tbody>
</table>
<div class="admonition seealso">
<p class="first admonition-title"><span class="yiyi-st" id="yiyi-22">也可以看看</span></p>
<p><span class="yiyi-st" id="yiyi-23"><code class="xref py py-obj docutils literal"><span class="pre">alen</span></code></span></p>
<dl class="last docutils">
<dt><span class="yiyi-st" id="yiyi-24"><code class="xref py py-obj docutils literal"><span class="pre">ndarray.shape</span></code></span></dt>
<dd><span class="yiyi-st" id="yiyi-25">等效数组方法。</span></dd>
</dl>
</div>
<p class="rubric"><span class="yiyi-st" id="yiyi-26">例子</span></p>
<div class="highlight-default"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">np</span><span class="o">.</span><span class="n">shape</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">eye</span><span class="p">(</span><span class="mi">3</span><span class="p">))</span>
<span class="go">(3, 3)</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">np</span><span class="o">.</span><span class="n">shape</span><span class="p">([[</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">]])</span>
<span class="go">(1, 2)</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">np</span><span class="o">.</span><span class="n">shape</span><span class="p">([</span><span class="mi">0</span><span class="p">])</span>
<span class="go">(1,)</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">np</span><span class="o">.</span><span class="n">shape</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
<span class="go">()</span>
</pre></div>
</div>
<div class="highlight-default"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">a</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">([(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">),</span> <span class="p">(</span><span class="mi">3</span><span class="p">,</span> <span class="mi">4</span><span class="p">)],</span> <span class="n">dtype</span><span class="o">=</span><span class="p">[(</span><span class="s1">&apos;x&apos;</span><span class="p">,</span> <span class="s1">&apos;i4&apos;</span><span class="p">),</span> <span class="p">(</span><span class="s1">&apos;y&apos;</span><span class="p">,</span> <span class="s1">&apos;i4&apos;</span><span class="p">)])</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">np</span><span class="o">.</span><span class="n">shape</span><span class="p">(</span><span class="n">a</span><span class="p">)</span>
<span class="go">(2,)</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">a</span><span class="o">.</span><span class="n">shape</span>
<span class="go">(2,)</span>
</pre></div>
</div>
</dd></dl>
